Here are the 2016 LibraryReads monthly list nomination deadlines:

Nominations for January 2016 LibraryReads list titles (this includes December 2015 AND January 2016 titles) are due November 20, 2015
Nominations for February 2016 LibraryReads list titles are due December 20, 2015
Nominations for March 2016 LibraryReads list titles are due January 20, 2016
Nominations for April 2016 LibraryReads list titles are due February 20, 2016
Nominations for May 2016 LibraryReads list titles are due March 20, 2016
Nominations for June 2016 LibraryReads list titles are due April 20, 2016
Nominations for July 2016 LibraryReads list titles are due May 20, 2016
Nominations for August 2016 LibraryReads list titles are due June 20, 2016
Nominations for September 2016 LibraryReads list titles are due July 20, 2016
Nominations for October 2016 LibraryReads list titles are due August 20, 2016
Nominations for November 2016 LibraryReads list titles are due September 20, 2016